/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/Changes/DynamicMeshChangeTarget.h
Update the mesh and return a correspondingFChangeDoes not emit the change. Does not fire OnMeshChanged.
[TUniquePtr](API\Runtime\Core\Templates\TUniquePtr)< [FMeshReplacementChange](API\Runtime\GeometryFramework\Changes\FMeshReplacementChange) > ReplaceMesh ( const [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3), ESPMode::ThreadSafe > & UpdateMesh )